Answer:
A. The use of stimulants in small doses helps focus attention and reduces hyperactivity.
Explanation:
Methylphenidate is a common drug stimulant that is given to the children above five-year-old for ADHD. This medicine comes under a category called stimulant which increases the activity of the brain particularly that area which suppresses the level activity related to attention and concentration. but it has some side effects of stimulants.